The Left Hand Bolt Carrier Group from Black Rain Ordnance is precision-engineered for left-side ejecting AR-15 uppers, delivering smooth cycling, exceptional durability, and reliable performance in 223 Remington/5.56 NATO. Featuring a Nickel Boron finish for reduced friction and easy cleaning, plus distinctive Biohazard engraving, this BCG is built for left-handed shooters who demand premium quality and longevity.
Benefits of the Left Hand BCG
This BCG is designed specifically for left-ejecting builds, combining high-end materials with thoughtful engineering:
- Left-Hand Specific: Optimized for left-side ejection uppers—no right-hand bias or compatibility issues.
- Nickel Boron Finish: Ultra-low friction for smoother operation, easier cleaning, and corrosion resistance.
- Biohazard Engraving: Aggressive, custom aesthetic that stands out in any build.
- Precision Machined: Made from high-quality steel with tight tolerances for reliable cycling and longevity.
- Drop-In Ready: Fully assembled and ready to install in your left-ejecting AR-15 upper.
Specs
Black Rain Ordnance Left Hand Bolt Carrier Group, 223 Remington/5.56 NATO, Biohazard Engraved, Nickel Boron (NiB-X) Finish. Designed for left-side ejecting uppers. Full-auto rated carrier, complete bolt assembly, and gas key staked with Grade 8 fasteners. Weight: approximately 11.5 oz. Made in the USA.
Black Rain Ordnance products are distinguished in the following ways:
- Precision firearms manufacturer specializing in modern sporting rifles and accessories.
- High-quality materials and finishes for superior performance and durability.
- Custom engraving and aesthetic options for personalized builds.
- Designed and made in the USA with rigorous quality control.
Like all Black Rain Ordnance components, this BCG is built to withstand high-round counts and demanding conditions. The Nickel Boron finish reduces wear and makes maintenance simple, while the left-hand design ensures perfect compatibility with your setup. Your satisfaction is backed by Black Rain Ordnance's reputation for reliability.
What People Are Saying About Black Rain Ordnance BCGs
Shooters love the smooth operation and durability of Black Rain BCGs—here's what they're saying:
- “Nickel Boron makes it slick and easy to clean—runs like a dream.”
- “Great finish, tight tolerances, no issues after thousands of rounds.”
- “The engraving looks killer—adds personality to my build.”
- “Left-hand version is hard to find—perfect fit for my setup.”
- “Premium quality at a fair price—worth every penny.”
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